Science
Mechanism of Action
As a cosmetic colorant, CI 61585 functions by absorbing or reflecting physical light, thereby imparting a blue color to cosmetic products, as well as to skin, nails, and hair when applied topically.
Research
Clinical Evidence
High confidenceN/A
Transparency
Dusting Analysis
CI 61585 is a cosmetic colorant, not an active ingredient with claimed skin benefits. Therefore, 'dusting' related to unsubstantiated efficacy claims is not applicable.
The Formula
Formulation
Stability
CI 61585 is a water-soluble color powder demonstrating robust stability across a broad pH range of 2 to 11. It is stable under normal conditions, resisting easy decomposition. For optimal long-term integrity, storage at room temperature, away from direct sunlight and heat, in a tightly sealed container is recommended for at least 5 years. It is a highly concentrated pigment and should be incorporated into the water phase, exhibiting good heat resistance.
Conflicts
- Not recommended for use in leave-on cream, lotion, gel, or serum formulas if the pigment's adherence to the skin surface is not the desired outcome.
- Requires co-formulation with a UV filter (e.g., ActiveProtect™ UV) when used in water-soluble applications to prevent color fading due to UV light exposure.
Safety
Safety Profile
CI 61585 is considered safe for cosmetic use within regulatory guidelines. In the USA, it is permitted up to a maximum concentration of 5.00% in skincare products. Within the European Union, it is regulated under EC Cosmetics Regulation (No. 1223/2009) and is restricted to rinse-off cosmetic formulations. While generally well-tolerated on the skin, it carries a hazard statement H319: 'Causes serious eye irritation.' Manufacturers are obligated to demonstrate health safety through extensive scientific studies. It is important to note that some structurally related substances have been classified by IARC as known, probable, or possible human carcinogens, though this specific compound is deemed safe within its restricted usage.
Your Skin
Skin Compatibility
Our Assessment
Verdict
CI 61585 is a valuable cosmetic colorant, providing a stable blue hue to a wide range of formulations within established safety regulations, particularly in rinse-off applications.
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